package com.dcdata.jt809server.common.consts;

/**
 * program: JT809Server
 * description: 报文序列号
 * @author DCDATA
 * @date 2020-04-01 15:16
 **/
public class MsgSn {
    /**
     * 报文序列号
     */
    private static int msg_sn = -1;

    public static int getMsgSN() {
        msg_sn += 1;
        return msg_sn;
    }
}
